diff --git a/ProjetsKEIL/Drivers/Driver_GPIO.c b/ProjetsKEIL/Drivers/Driver_GPIO.c
index 476a1c1..ab70997 100644
--- a/ProjetsKEIL/Drivers/Driver_GPIO.c
+++ b/ProjetsKEIL/Drivers/Driver_GPIO.c
@@ -1,5 +1,43 @@
 #include "Driver_GPIO.h"
 
 void MyGPIO_Init(MyGPIO_Struct_TypeDef * GPIOStructPtr) {
+	//Configurer les horloges
+	if(GPIOStructPtr->GPIO == GPIOA){
+			RCC->APB2ENR |= RCC_APB2ENR_IOPAEN;//RCC->APB2ENR = 0x02;
+	}
+	else if(GPIOStructPtr->GPIO == GPIOB){
+			RCC->APB2ENR |= RCC_APB2ENR_IOPBEN;//RCC->APB2ENR = 0x03;
+	}
+	else if (GPIOStructPtr->GPIO == GPIOC){
+			RCC->APB2ENR |= RCC_APB2ENR_IOPCEN;	//RCC->APB2ENR = 0x04;
+	}	
+	//Initialiser le registre urilisé
+	if (GPIOStructPtr->GPIO_Pin < 8) {
+			GPIOStructPtr->GPIO->CRL &= ~(0xF <<  (4 * GPIOStructPtr->GPIO_Pin)); 
+			GPIOStructPtr->GPIO->CRL |= (GPIOStructPtr->GPIO_Conf << (4 * GPIOStructPtr->GPIO_Pin));
+	} else {
+			GPIOStructPtr->GPIO->CRH &= ~(0xF <<  (4 * GPIOStructPtr->GPIO_Pin));
+			GPIOStructPtr->GPIO->CRH |= (GPIOStructPtr->GPIO_Conf << (4* GPIOStructPtr->GPIO_Pin));
+	}	
+}
+
+int MyGPIO_Read(GPIO_TypeDef * GPIO, char GPIO_Pin){
+	if((GPIO->IDR) &= (1 << GPIO_Pin)!=0)
+	{
+		return 1;
+	}else{
+		return 0;
+	}
+}
+
+void MyGPIO_Set(GPIO_TypeDef * GPIO, char GPIO_Pin){
 	
-}
\ No newline at end of file
+}
+
+void MyGPIO_Reset(GPIO_TypeDef * GPIO, char GPIO_Pin){
+	
+}
+
+void MyGPIO_Toggle(GPIO_TypeDef * GPIO, char GPIO_Pin){
+	
+}
diff --git a/ProjetsKEIL/Drivers/Driver_GPIO.h b/ProjetsKEIL/Drivers/Driver_GPIO.h
index 062e9e9..8449253 100644
--- a/ProjetsKEIL/Drivers/Driver_GPIO.h
+++ b/ProjetsKEIL/Drivers/Driver_GPIO.h
@@ -9,14 +9,14 @@ typedef struct {
 } MyGPIO_Struct_TypeDef;
 
 
-#define In_Floating 	0x4 // 0x0100
-#define In_PullDown 	0x... // a completer
-#define In_PullUp 		0x... // a completer
-#define In_Analog 		0x... // a completer
-#define Out_Ppull 		0x... // a completer
-#define Out_OD 				0x... // a completer
-#define AltOut_Ppull 	0x... // a completer
-#define AltOut_OD 		0x... // a completer
+#define In_Floating 	0x4 // 0b0100
+#define In_PullDown 	0x8	
+#define In_PullUp 		0x8
+#define In_Analog 		0x0
+#define Out_Ppull 		0x1
+#define Out_OD 				0x6
+#define AltOut_Ppull 	0x5
+#define AltOut_OD 		0xD
 
 void MyGPIO_Init(MyGPIO_Struct_TypeDef * GPIOStructPtr);
 int MyGPIO_Read(GPIO_TypeDef * GPIO, char GPIO_Pin); // renvoie 0 ou autre chose d i f f e r e n t de 0
diff --git a/ProjetsKEIL/Projet_1/Src/Principal.c b/ProjetsKEIL/Projet_1/Src/Principal.c
index 77f09a6..9933439 100644
--- a/ProjetsKEIL/Projet_1/Src/Principal.c
+++ b/ProjetsKEIL/Projet_1/Src/Principal.c
@@ -1,26 +1,32 @@
 #include "stm32f10x.h"
 #include "Driver_GPIO.h"
 
+
+// PA5 LED
+// PC13 BP
+
+MyGPIO_Struct_TypeDef LED;
+
 int main ( void )
 {
 	// Clocks des ports A, B, C 
-	RCC->APB2ENR |= (0x01 << 2) | (0x01 << 3) | (0x01 << 4) ;
+	//RCC->APB2ENR |= (0x01 << 2) | (0x01 << 3) | (0x01 << 4) ;
 
 	GPIOA->CRL &= ~(0xF << 20); // Mise à 0
 	GPIOA->CRL |= (0x1 << 20); // Output
 	GPIOA->BSRR |= (0x01 << 5);
 	
   // Configure PC13 as input with pull-up
-	GPIOC->CRH &=~ (1<<)
+	GPIOC->CRH &=~ (1<<13);
 	
-  GPIOC->CRH &= ~(0x1 << 22)
-  GPIOC->CRH |= GPIO_CRH_CNF13_1;
+  GPIOC->CRH &= ~(0x1 << 22);
+  GPIOC->CRH |= GPIO_CRH_CNF13_1;	// BP = PC13
   GPIOC->ODR |= GPIO_ODR_ODR13;
 	
 	//GPIOA->BSRR |= (1 << 21);
 	
 
-	for (;;)
+	while(1)
 	{
 
 	}
diff --git a/ProjetsKEIL/Projet_1/TP.uvoptx b/ProjetsKEIL/Projet_1/TP.uvoptx
index 7c02db8..68c044a 100644
--- a/ProjetsKEIL/Projet_1/TP.uvoptx
+++ b/ProjetsKEIL/Projet_1/TP.uvoptx
@@ -406,7 +406,7 @@
       <GroupNumber>2</GroupNumber>
       <FileNumber>2</FileNumber>
       <FileType>1</FileType>
-      <tvExp>1</tvExp>
+      <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
       <PathWithFileName>..\Drivers\Driver_GPIO.c</PathWithFileName>